66540280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{87553}}^1$

素因数の和:87583

約数の個数: 32

約数和(自身を含む): 157597200

約数和(自身を除く): 91056920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 87553, 175106, 350212, 437765, 700424, 875530, 1663507, 1751060, 3327014, 3502120, 6654028, 8317535, 13308056, 16635070, 33270140, 66540280]

約数ペア:

[(1, 66540280), (2, 33270140), (4, 16635070), (5, 13308056), (8, 8317535), (10, 6654028), (19, 3502120), (20, 3327014), (38, 1751060), (40, 1663507), (76, 875530), (95, 700424), (152, 437765), (190, 350212), (380, 175106), (760, 87553)]